Stepper Motors

NEMA Stepper motor Voltage
rating (V)
Current
rating (A)
Lead
count
Holding
torque (kg-cm)
Output shaft Weight (g) Size (mm) Price
8 #1204 (SY20STH30-0604A) 3.9 0.6 4 0.18 4 mm D 60  20² × 30  $28.95
#2256 (SY20STH42-0804A) 4.3 0.8 4 0.30 4 mm D 80  20² × 42  $34.95
11 #1205 (SY28STH32-0674A) 3.8 0.67 4 0.60 5 mm D 110  28² × 32  $24.95
#1206 (SY28STH45-0674A) 4.5 0.67 4 0.95 5 mm D 140  28² × 45  $30.95
14 #1207 (SY35ST26-0284A) 7.4 0.28 4 0.65 5 mm D 130  35² × 26  $18.95
#1208 (SY35ST28-0504A) 10 0.5 4 1.0 5 mm D 140  35² × 28  $18.95
#1209 (SY35ST36-1004A) 2.7 1.0 4 1.4 5 mm D 180  35² × 36  $21.95
17 #2267 (SY42STH38-1684A) 2.8 1.7 4 3.7 5 mm D 285  42² × 38  $21.95
#2689 (SY42STH38-1684A) 2.8 1.7 4 3.7 18 cm threaded rod 355  42² × 38  $60.95
#2268 (SY42STH38-1684A) 2.8 1.7 4 3.7 28 cm threaded rod 385  42² × 38  $65.95
#2690 (SY42STH38-1684A) 2.8 1.7 4 3.7 38 cm threaded rod 415  42² × 38  $72.95
#1200 (SY42STH47-1206A) 4.0 1.2 6 3.2 5 mm D 350  42² × 48  $26.95
#2298 pancake (SS2421-5041) 3.5 1.0 4 0.85 5 mm round 70  42² × 11.6  $54.95
#2278 pancake w/encoder
(SS2421-50XE100)
3.5 1.0 4 0.85 5 mm round 105  42² × 24.5  $194.95
#2296 pancake (SS2422-5041) 5.4 1.0 4 1.9 5 mm round 140  42² × 18.6  $59.95
#2279 pancake w/encoder
(SS2422-50XE100)
5.4 1.0 4 1.9 5 mm round 165  42² × 31.5  $194.95
23 #1476 (SY57STH41-1006A) 5.7 1.0 6 4.0 6.35 mm D 450  56.4² × 41  $35.95
#1472 (SY57STH56-1006A) 7.4 1.0 6 9.0 6.35 mm D 700  56.4² × 56  $47.95
#1473 (SY57STH56-2006A) 3.6 2.0 6 9.0 6.35 mm D 700  56.4² × 56  $47.95
#1474 (SY57STH56-2804A) 2.5 2.8 4 13 6.35 mm D 700  56.4² × 56  $47.95
#1477 (SY57STH76-1006A) 8.6 1.0 6 14 6.35 mm D 1000  56.4² × 76  $59.95
#1475 (SY57STH76-2006A) 4.5 2.0 6 14 6.35 mm D 1000  56.4² × 76  $59.95
#1478 (SY57STH76-2804A) 3.2 2.8 4 19 6.35 mm D 1000  56.4² × 76  $59.95
#2294 miniature (SH2141-5541) 6.3 0.3 4 0.066 4 mm round 27  14² × 30  $107.95
#2295 miniature (SH2141-5511) 6.3 0.3 4 0.066 double 4 mm round 28  14² × 30  $109.95
#2297 pancake (SS2501-8040) 4.5 1.0 4 1.0 5 mm round 90  50² × 11  $64.95
#2299 pancake (SS2502-8040) 5.9 1.0 4 2.2 5 mm round 150  50² × 16  $69.95

Products in category “Stepper Motors”

Pololu item #: 1204
Brand: SOYO
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This small NEMA 8-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 600 mA at 3.9 V, allowing for a holding torque of 180 g-cm (2.5 oz-in). With a weight of 60 g, this is one of the smallest stepper motors we carry.

Pololu item #: 2256
Brand: SOYO
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This small NEMA 8-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 800 mA at 4.3 V, allowing for a holding torque of 300 g-cm (4.2 oz-in). With a weight of 80 g, this is one of the smaller stepper motors we carry.

Pololu item #: 1205
Brand: SOYO
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 11-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 670 mA at 3.8 V, allowing for a holding torque of 600 g-cm (8.3 oz-in).

Pololu item #: 1206
Brand: SOYO
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 11-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 670 mA at 4.5 V, allowing for a holding torque of 950 g-cm (13 oz-in).

Pololu item #: 1207
Brand: SOYO
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 14-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 280 mA at 7.4 V, allowing for a holding torque of 650 g-cm (9 oz-in).

Pololu item #: 1208
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 14-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 500 mA at 10 V, allowing for a holding torque of 1 kg-cm (14 oz-in).

Pololu item #: 1209
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 14-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 1 A at 2.7 V, allowing for a holding torque of 1.4 kg-cm (20 oz-in).

Pololu item #: 2267
Brand: SOYO
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 17-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 1.7 A at 2.8 V, allowing for a holding torque of 3.7 kg-cm (51 oz-in).

Pololu item #: 2689
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 17-size hybrid bipolar stepping motor has an integrated 18 cm (7″) threaded rod as its output shaft, turning it into a linear actuator capable of precision open-loop positioning. The included traveling nut has four mounting holes and moves 40 µm (1.6 mil) per full step; finer resolution can be achieved with microstepping. The stepper motor has a 1.8° step angle (200 steps/revolution) and each phase draws 1.7 A at 2.8 V, allowing for a holding torque of 3.7 kg-cm (51 oz-in).

Pololu item #: 2268
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 17-size hybrid bipolar stepping motor has an integrated 28 cm (11″) threaded rod as its output shaft, turning it into a linear actuator capable of precision open-loop positioning. The included traveling nut has four mounting holes and moves 40 µm (1.6 mil) per full step; finer resolution can be achieved with microstepping. The stepper motor has a 1.8° step angle (200 steps/revolution) and each phase draws 1.7 A at 2.8 V, allowing for a holding torque of 3.7 kg-cm (51 oz-in).

Pololu item #: 2690
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 17-size hybrid bipolar stepping motor has an integrated 38 cm (15″) threaded rod as its output shaft, turning it into a linear actuator capable of precision open-loop positioning. The included traveling nut has four mounting holes and moves 40 µm (1.6 mil) per full step; finer resolution can be achieved with microstepping. The stepper motor has a 1.8° step angle (200 steps/revolution) and each phase draws 1.7 A at 2.8 V, allowing for a holding torque of 3.7 kg-cm (51 oz-in).

Pololu item #: 1200
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 17-size hybrid stepping motor can be used as a unipolar or bipolar stepper motor and has a 1.8° step angle (200 steps/revolution). Each phase draws 1.2 A at 4 V, allowing for a holding torque of 3.2 kg-cm (44 oz-in).

Pololu item #: 1476
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 23-size hybrid stepping motor can be used as a unipolar or bipolar stepper motor and has a 1.8° step angle (200 steps/revolution). Each phase draws 1 A at 5.7 V, allowing for a holding torque of 4 kg-cm (55 oz-in).

Pololu item #: 1472
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 23-size hybrid stepping motor can be used as a unipolar or bipolar stepper motor and has a 1.8° step angle (200 steps/revolution). Each phase draws 1 A at 7.4 V, allowing for a holding torque of 9 kg-cm (125 oz-in).

Pololu item #: 1473
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 23-size hybrid stepping motor can be used as a unipolar or bipolar stepper motor and has a 1.8° step angle (200 steps/revolution). Each phase draws 2 A at 3.6 V, allowing for a holding torque of 9 kg-cm (125 oz-in).

Pololu item #: 1474
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 23-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 2.8 A at 2.5 V, allowing for a holding torque of 13 kg-cm (180 oz-in).

Pololu item #: 1477
Brand: SOYO
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 23-size hybrid stepping motor can be used as a unipolar or bipolar stepper motor and has a 1.8° step angle (200 steps/revolution). Each phase draws 1 A at 8.6 V, allowing for a holding torque of 14 kg-cm (190 oz-in).

Pololu item #: 1475
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 23-size hybrid stepping motor can be used as a unipolar or bipolar stepper motor and has a 1.8° step angle (200 steps/revolution). Each phase draws 2 A at 4.5 V, allowing for a holding torque of 14 kg-cm (190 oz-in).

Pololu item #: 1478
Brand: SOYO supply outlook
Status: Active and Preferred 
RoHS 3 compliant
Out of stock.
Quantity:

This NEMA 23-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 2.8 A at 3.2 V, allowing for a holding torque of 19 kg-cm (270 oz-in).

Pololu item #: 2294
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This tiny bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). Each phase draws 300 mA at 6.3 V, allowing for a holding torque of 66 g-cm (0.92 oz-in). With a weight of just 27 g, this is the smallest stepper motor we carry.

Pololu item #: 2295
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This tiny, double shaft bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). Each phase draws 300 mA at 6.3 V, allowing for a holding torque of 66 g-cm (0.92 oz-in). With a weight of 28 g, this is the smallest stepper motor we carry.

Pololu item #: 2298
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This NEMA 17-size pancake bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). It offers a holding torque of 850 g-cm (12 oz-in), and each phase draws 1 A at 3.5 V. This stepper motor’s flat profile (18.6 mm including the shaft) allows it to be used in places where more traditional stepper motors would be too bulky.

Pololu item #: 2278
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This NEMA 17-size pancake bipolar stepping motor from Sanyo features an integrated high-resolution (1000 P/R) quadrature encoder that allows for 4000 counts per revolution of the output shaft when counting both edges of both channels. The stepper motor itself has a 1.8° step angle (200 steps/revolution) and each phase draws 1 A at 3.5 V, allowing for a holding torque of 0.85 kg-cm (12 oz-in).

Pololu item #: 2296
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This NEMA 17-size pancake bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). It offers a holding torque of 1.9 kg-cm (26 oz-in), and each phase draws 1 A at 5.4 V. This stepper motor’s flat profile (25.6 mm including the shaft) allows it to be used in places where more traditional stepper motors would be too bulky.

Pololu item #: 2279
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This NEMA 17-size pancake bipolar stepping motor from Sanyo features an integrated high-resolution (1000 P/R) quadrature encoder that allows for 4000 counts per revolution of the output shaft when counting both edges of both channels. The stepper motor itself has a 1.8° step angle (200 steps/revolution) and each phase draws 1 A at 5.4 V, allowing for a holding torque of 1.9 kg-cm (26 oz-in).

Pololu item #: 2297
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This pancake bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). It offers a holding torque of 1 kg-cm (14 oz-in), and each phase draws 1 A at 4.5 V. This stepper motor’s flat profile (16 mm including the shaft) allows it to be used in places where more traditional stepper motors would be too bulky.

Pololu item #: 2299
Brand: Sanyo Denki
RoHS 3 status: supplier unspecified
Out of stock.
Quantity:

This pancake bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). It offers a holding torque of 2.2 kg-cm (30 oz-in), and each phase draws 1 A at 5.9 V. This stepper motor’s flat profile (21 mm including the shaft) allows it to be used in places where more traditional stepper motors would be too bulky.

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